AuthSecAuthSec

AuthSec vs Stytch

Compare authentication for AI agents vs consumer login — and see why AuthSec is built for autonomous workloads, not just end-users.

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AuthSec

Best for AI agents

✓Native MCP support
✓Agent-first design
✓No browser required
✓M2M native

Stytch

Consumer login

✓Passwordless for users
✕No agent support
✕Browser-based flows
✕Limited M2M

Built for a different generation of identity

Stytch was built for passwordless consumer login. AuthSec is built for autonomous agents and MCP servers.

Agent-first architecture
Headless by design
No session cookies
Built for non-human identities

Feature Comparison

FeatureAuthSecStytch
Passwordless authentication✓✓
OAuth 2.0✓✓
OIDC support✓✓
Token introspection✓✓
Refresh token rotation✓✓
PKCE✓✓
FeatureAuthSecStytch
Native MCP server auth✓✕
Agent workload identity✓✕
No redirect login flows✓✕
Headless authentication✓✕
Long-running token leasing✓✕
Agent permission scopes✓✕
FeatureAuthSecStytch
Role-based access control (RBAC)✓✓
Policy-based authorization✓✕
Fine-grained permissions✓Limited
Resource-level access✓✕
Agent-to-agent trust✓✕
FeatureAuthSecStytch
SDKs✓✓
CLI authentication✓✕
Local dev tokens✓✕
Webhooks✓✓
Admin APIs✓✓
✓

AuthSec

  • Works without browser
  • No redirects required
  • No cookie storage
  • No iframe hacks
✕

Traditional providers

  • Require browser session
  • Designed for human login
  • Cookie-dependent flows
  • Complex workarounds needed

Use Case Mapping

Use caseBest choice
AI agentsAuthSec
MCP serversAuthSec
Consumer loginStytch
Headless workloadsAuthSec
Voice agentsAuthSec

This comparison helps you choose the right tool for your use case. AuthSec excels at agent and headless workload authentication, while traditional providers focus on human-centric flows.

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Join teams building the next generation of AI agents and autonomous systems with AuthSec's agent-first identity platform.

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